# Reminder Agent

> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.


## Modules to Import

```
import reminderAgent from'@ohos.reminderAgent';
```


## reminderAgent.publishReminder

publishReminder(reminderReq: ReminderRequest, callback: AsyncCallback<number>): void

Publishes an agent-powered reminder. This API uses an asynchronous callback to return the result.

**Required permissions**: ohos.permission.PUBLISH_AGENT_REMINDER

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

  | Name| Type| Mandatory| Description|
  | -------- | -------- | -------- | -------- |
  | reminderReq | [ReminderRequest](#reminderrequest) | Yes| Reminder to be published.|
  | callback | AsyncCallback<number> | Yes| Asynchronous callback used to return the published reminder's ID.|

**Example**
  ```
  let timer : reminderAgent.ReminderRequestTimer = {
      reminderType: reminderAgent.ReminderType.REMINDER_TYPE_TIMER,
      triggerTimeInSeconds: 10
  }
  reminderAgent.publishReminder(timer, (err, reminderId) => {
      console.log("reminderId = " + reminderId);
  });
  ```


## reminderAgent.publishReminder

publishReminder(reminderReq: ReminderRequest): Promise<number>

Publishes an agent-powered reminder. This API uses a promise callback to return the result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**
  | Name| Type| Mandatory| Description|
  | -------- | -------- | -------- | -------- |
  | reminderReq | [ReminderRequest](#reminderrequest) | Yes| Reminder to be published.|

**Return value**
  | Type| Description|
  | -------- | -------- |
  | Promise<number> | Promise used to return the published reminder's ID.|

**Example**
  ```
  let timer : reminderAgent.ReminderRequestTimer = {
      reminderType: reminderAgent.ReminderType.REMINDER_TYPE_TIMER,
      triggerTimeInSeconds: 10
  }
  reminderAgent.publishReminder(timer).then((reminderId) => {
      console.log("reminderId = " + reminderId);
  });
  ```


## reminderAgent.cancelReminder

cancelReminder(reminderId: number, callback: AsyncCallback<void>): void

Cancels the reminder with the specified ID. This API uses an asynchronous callback to return the cancellation result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| reminderId | number | Yes| ID of the reminder to cancel.|
| callback | AsyncCallback<void> | Yes| Asynchronous callback used to return the result.|

**Example**

```
reminderAgent.cancelReminder(1, (err, data) => {
    console.log("cancelReminder callback");
});
```


## reminderAgent.cancelReminder

cancelReminder(reminderId: number): Promise<void>

Cancels the reminder with the specified ID. This API uses a promise to return the cancellation result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| reminderId | number | Yes| ID of the reminder to cancel.|

**Return value**

| Type| Description|
| -------- | -------- |
| Promise<void> | Promise used to return the result.|

**Example**

```
reminderAgent.cancelReminder(1).then(() => {
    console.log("cancelReminder promise");
});
```


## reminderAgent.getValidReminders

getValidReminders(callback: AsyncCallback<Array<ReminderRequest>>): void

Obtains all valid (not yet expired) reminders set by the current application. This API uses an asynchronous callback to return the reminders.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| callback | AsyncCallback<Array<[ReminderRequest](#reminderrequest)>> | Yes| Asynchronous callback used to return an array of all valid reminders set by the current application.|

**Example**

```
reminderAgent.getValidReminders((err, reminders) => {
    console.log("getValidReminders length = " + reminders.length);
    for (let i = 0; i < reminders.length; i++) {
        console.log("getValidReminders = " + reminders[i]);
        console.log("getValidReminders, reminderType = " + reminders[i].reminderType);
        for (let j = 0; j < reminders[i].actionButton.length; j++) {
            console.log("getValidReminders, actionButton.title = " + reminders[i].actionButton[j].title);
            console.log("getValidReminders, actionButton.type = " + reminders[i].actionButton[j].type);
        }
        console.log("getValidReminders, wantAgent.pkgName = " + reminders[i].wantAgent.pkgName);
        console.log("getValidReminders, wantAgent.abilityName = " + reminders[i].wantAgent.abilityName);
        console.log("getValidReminders, maxScreenWantAgent.pkgName = " + reminders[i].maxScreenWantAgent.pkgName);
        console.log("getValidReminders, maxScreenWantAgent.abilityName = " + reminders[i].maxScreenWantAgent.abilityName);
        console.log("getValidReminders, ringDuration = " + reminders[i].ringDuration);
        console.log("getValidReminders, snoozeTimes = " + reminders[i].snoozeTimes);
        console.log("getValidReminders, timeInterval = " + reminders[i].timeInterval);
        console.log("getValidReminders, title = " + reminders[i].title);
        console.log("getValidReminders, content = " + reminders[i].content);
        console.log("getValidReminders, expiredContent = " + reminders[i].expiredContent);
        console.log("getValidReminders, snoozeContent = " + reminders[i].snoozeContent);
        console.log("getValidReminders, notificationId = " + reminders[i].notificationId);
        console.log("getValidReminders, slotType = " + reminders[i].slotType);
    }
})
```


## reminderAgent.getValidReminders

getValidReminders(): Promise&lt;Array&lt;ReminderRequest&gt;&gt;

Obtains all valid (not yet expired) reminders set by the current application. This API uses a promise to return the reminders.

**System capability**: SystemCapability.Notification.ReminderAgent

**Return value**

| Type| Description|
| -------- | -------- |
| Promise&lt;Array&lt;[ReminderRequest](#reminderrequest)&gt;&gt; | Promise used to return an array of all valid reminders set by the current application.|

**Example**

```
reminderAgent.getValidReminders().then((reminders) => {
    console.log("getValidReminders length = " + reminders.length);
    for (let i = 0; i < reminders.length; i++) {
        console.log("getValidReminders = " + reminders[i]);
        console.log("getValidReminders, reminderType = " + reminders[i].reminderType);
        for (let j = 0; j < reminders[i].actionButton.length; j++) {
            console.log("getValidReminders, actionButton.title = " + reminders[i].actionButton[j].title);
            console.log("getValidReminders, actionButton.type = " + reminders[i].actionButton[j].type);
        }
        console.log("getValidReminders, wantAgent.pkgName = " + reminders[i].wantAgent.pkgName);
        console.log("getValidReminders, wantAgent.abilityName = " + reminders[i].wantAgent.abilityName);
        console.log("getValidReminders, maxScreenWantAgent.pkgName = " + reminders[i].maxScreenWantAgent.pkgName);
        console.log("getValidReminders, maxScreenWantAgent.abilityName = " + reminders[i].maxScreenWantAgent.abilityName);
        console.log("getValidReminders, ringDuration = " + reminders[i].ringDuration);
        console.log("getValidReminders, snoozeTimes = " + reminders[i].snoozeTimes);
        console.log("getValidReminders, timeInterval = " + reminders[i].timeInterval);
        console.log("getValidReminders, title = " + reminders[i].title);
        console.log("getValidReminders, content = " + reminders[i].content);
        console.log("getValidReminders, expiredContent = " + reminders[i].expiredContent);
        console.log("getValidReminders, snoozeContent = " + reminders[i].snoozeContent);
        console.log("getValidReminders, notificationId = " + reminders[i].notificationId);
        console.log("getValidReminders, slotType = " + reminders[i].slotType);
    }
})
```


## reminderAgent.cancelAllReminders

cancelAllReminders(callback: AsyncCallback&lt;void&gt;): void

Cancels all reminders set by the current application. This API uses an asynchronous callback to return the cancellation result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback used to return the result.|

**Example**

```
reminderAgent.cancelAllReminders((err, data) =>{
    console.log("cancelAllReminders callback")
})
```


## reminderAgent.cancelAllReminders

cancelAllReminders(): Promise&lt;void&gt;

Cancels all reminders set by the current application. This API uses a promise to return the cancellation result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Return value**

| Type| Description|
| -------- | -------- |
| Promise&lt;void&gt; | Promise used to return the result.|

**Example**

```
reminderAgent.cancelAllReminders().then(() => {
    console.log("cancelAllReminders promise")
})
```


## reminderAgent.addNotificationSlot

addNotificationSlot(slot: NotificationSlot, callback: AsyncCallback&lt;void&gt;): void

Adds a reminder notification slot. This API uses an asynchronous callback to return the result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| slot | [NotificationSlot](js-apis-notification.md#notificationslot) | Yes| Reminder notification slot to add.|
| callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback used to return the result.|

**Example**

```
mySlot: {
    type: 3,
    sound: "/sdcard/music2.mp3"
}
reminderAgent.addNotificationSlot(mySlot, (err, data) => {
    console.log("addNotificationSlot callback");
});
```


## reminderAgent.addNotificationSlot

addNotificationSlot(slot: NotificationSlot): Promise&lt;void&gt;

Adds a reminder notification slot. This API uses a promise to return the result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| slot | [NotificationSlot](js-apis-notification.md#notificationslot) | Yes| Reminder notification slot to add.|

**Return value**

| Type| Description|
| -------- | -------- |
| Promise&lt;void&gt; | Promise used to return the result.|

**Example**

```
export default {    data: {        mySlot: {
            type: 3,
            sound: "/sdcard/music2.mp3"
        }    },
    addSlot() {
        reminderAgent.addNotificationSlot(mySlot).then(() => {
   console.log("do next");
        });
    }
}
```


## reminderAgent.removeNotificationSlot

removeNotificationSlot(slotType: notification.SlotType, callback: AsyncCallback&lt;void&gt;): void

Removes a notification slot of a specified type. This API uses an asynchronous callback to return the result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| slotType | [notification.SlotType](js-apis-notification.md#slottype) | Yes| Type of the reminder notification slot to remove.|
| callback | AsyncCallback&lt;void&gt; | Yes| Asynchronous callback used to return the result.|

**Example**

```
reminderAgent.removeNotificationSlot(notification.SlotType.CONTENT_INFORMATION, (err, data) => {
    console.log("removeNotificationSlot callback");
});
```


## reminderAgent.removeNotificationSlot

removeNotificationSlot(slotType: notification.SlotType): Promise&lt;void&gt;

Removes a notification slot of a specified type. This API uses a promise to return the result.

**System capability**: SystemCapability.Notification.ReminderAgent

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| slotType | [notification.SlotType](js-apis-notification.md#slottype) | Yes| Type of the reminder notification slot to remove.|

**Return value**

| Type| Description|
| -------- | -------- |
| Promise&lt;void&gt; | Promise used to return the result.|

**Example**

```
reminderAgent.removeNotificationSlot(notification.SlotType.CONTENT_INFORMATION).then(() => {
    console.log("removeNotificationSlot promise");
});
```


## ActionButtonType

Enumerates button types.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Default Value| Description|
| -------- | -------- | -------- |
| ACTION_BUTTON_TYPE_CLOSE | 0 | Button for closing the reminder.|
| ACTION_BUTTON_TYPE_SNOOZE | 1 | Button for snoozing the reminder.|


## ReminderType

Enumerates reminder types.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Default Value| Description|
| -------- | -------- | -------- |
| REMINDER_TYPE_TIMER | 0 | Countdown reminder.|
| REMINDER_TYPE_CALENDAR | 1 | Calendar reminder.|
| REMINDER_TYPE_ALARM | 2 | Alarm reminder.|


## ActionButton

Defines a button displayed in the reminder notification.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| title | string | Yes| Text on the button.|
| type | [ActionButtonType](#actionbuttontype) | Yes| Button type.|


## WantAgent

Sets the package and ability that are redirected to when the reminder notification is clicked.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| pkgName | string | Yes| Name of the package that is redirected to when the reminder notification is clicked.|
| abilityName | string | Yes| Name of the ability that is redirected to when the reminder notification is clicked.|


## MaxScreenWantAgent

Sets the name of the target package and ability to start automatically when the reminder arrives and the device is not in use. If the device is in use, a notification will be displayed.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| pkgName | string | Yes| Name of the package that is automatically started when the reminder arrives and the device is not in use.|
| abilityName | string | Yes| Name of the ability that is automatically started when the reminder arrives and the device is not in use.|


## ReminderRequest

Defines the reminder to publish.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| reminderType | ReminderType | Yes| Type of the reminder.|
| actionButton | [ActionButton?,&nbsp;ActionButton?] | No| Action button displayed in the reminder notification. (The parameter is optional. Up to two buttons are supported.)|
| wantAgent | WantAgent | No| Information about the ability that is redirected to when the notification is clicked.|
| maxScreenWantAgent | MaxScreenWantAgent | No| Information about the ability that is automatically started when the reminder arrives. If the device is in use, a notification will be displayed.|
| ringDuration | number | No| Ringing duration.|
| snoozeTimes | number | No| Number of reminder snooze times.|
| timeInterval | number | No| Reminder snooze interval.|
| title | string | No| Reminder title.|
| content | string | No| Reminder content.|
| expiredContent | string | No| Content to be displayed after the reminder expires.|
| snoozeContent | string | No| Content to be displayed when the reminder is snoozing.|
| notificationId | number | No| Notification ID used by the reminder. If there are reminders with the same notification ID, the later one will overwrite the earlier one.|
| slotType | [notification.SlotType](js-apis-notification.md#slottype) | No| Type of the slot used by the reminder.|


## ReminderRequestCalendar

ReminderRequestCalendar extends ReminderRequest

Defines a reminder for a calendar event.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| dateTime | [LocalDateTime](#localdatetime) | Yes| Reminder time.|
| repeatMonths | Array&lt;number&gt; | No| Month in which the reminder repeats.|
| repeatDays | Array&lt;number&gt; | No| Date on which the reminder repeats.|


## ReminderRequestAlarm

ReminderRequestAlarm extends ReminderRequest

Defines a reminder for an alarm.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| hour | number | Yes| Hour portion of the reminder time.|
| minute | number | Yes| Minute portion of the reminder time.|
| daysOfWeek | Array&lt;number&gt; | No| Days of a week when the reminder repeats.|


## ReminderRequestTimer

ReminderRequestTimer extends ReminderRequest

Defines a reminder for a scheduled timer.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| triggerTimeInSeconds | number | Yes| Number of seconds in the countdown timer.|


## LocalDateTime

Sets the time information for a calendar reminder.

**System capability**: SystemCapability.Notification.ReminderAgent

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| year | number | Yes| Year.|
| month | number | Yes| Month.|
| day | number | Yes| Date.|
| hour | number | Yes| Hour.|
| minute | number | Yes| Minute.|
| second | number | No| Second.|